EP3145397A4 - Systems for imaging of blood flow in laparoscopy - Google Patents

Systems for imaging of blood flow in laparoscopy Download PDF

Info

Publication number
EP3145397A4
EP3145397A4 EP14892861.7A EP14892861A EP3145397A4 EP 3145397 A4 EP3145397 A4 EP 3145397A4 EP 14892861 A EP14892861 A EP 14892861A EP 3145397 A4 EP3145397 A4 EP 3145397A4
Authority
EP
European Patent Office
Prior art keywords
laparoscopy
imaging
systems
blood flow
blood
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP14892861.7A
Other languages
German (de)
French (fr)
Other versions
EP3145397A1 (en
Inventor
Zhongchi LUO
Xinmin Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covidien LP
Original Assignee
Covidien LP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Covidien LP filed Critical Covidien LP
Priority to PCT/CN2014/078222 priority Critical patent/WO2015176294A1/en
Publication of EP3145397A1 publication Critical patent/EP3145397A1/en
Publication of EP3145397A4 publication Critical patent/EP3145397A4/en
Application status is Pending legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/0059Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/0059Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026Measuring blood flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026Measuring blood flow
    • A61B5/0261Measuring blood flow using optical means, e.g. infra-red light
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
EP14892861.7A 2014-05-23 2014-05-23 Systems for imaging of blood flow in laparoscopy Pending EP3145397A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/078222 WO2015176294A1 (en) 2014-05-23 2014-05-23 Systems for imaging of blood flow in laparoscopy

Publications (2)

Publication Number Publication Date
EP3145397A1 EP3145397A1 (en) 2017-03-29
EP3145397A4 true EP3145397A4 (en) 2018-01-17

Family

ID=54553245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14892861.7A Pending EP3145397A4 (en) 2014-05-23 2014-05-23 Systems for imaging of blood flow in laparoscopy

Country Status (4)

Country Link
US (1) US20170181636A1 (en)
EP (1) EP3145397A4 (en)
CN (1) CN106413536A (en)
WO (1) WO2015176294A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9848787B2 (en) 2012-02-07 2017-12-26 Laser Associated Sciences, Inc. Perfusion assessment using transmission laser speckle imaging
WO2017176781A1 (en) * 2016-04-06 2017-10-12 Laser Associated Sciences, LLC System for blood flow measurement with affixed laser speckle contrast analysis

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030120156A1 (en) * 2001-12-26 2003-06-26 Forrester Kevin R. Motion measuring device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101485565B (en) * 2009-02-13 2011-04-13 华中科技大学 Laser speckle blood current imaging and analyzing method
WO2010096453A1 (en) * 2009-02-17 2010-08-26 Board Of Regents, The University Of Texas System Methods of producing laser speckle contrast images
CN104523225B (en) * 2009-09-04 2018-11-02 约翰斯·霍普金斯大学 Multi-mode laser speckle imaging
WO2011084863A2 (en) * 2010-01-07 2011-07-14 Cheetah Omni, Llc Fiber lasers and mid-infrared light sources in methods and systems for selective biological tissue processing and spectroscopy
CN101919686B (en) * 2010-09-21 2011-12-14 华中科技大学 Multi-mode imaging system for observing cerebral cortex functions of moving animals
US9226673B2 (en) * 2011-01-10 2016-01-05 East Carolina University Methods, systems and computer program products for non-invasive determination of blood flow distribution using speckle imaging techniques and hemodynamic modeling
CN102429650B (en) * 2011-11-10 2013-09-25 华中科技大学 Laser speckle blood flow imaging contrast analytical method
CN103169446B (en) * 2013-04-15 2016-08-10 叶衍铭 Suitable for endoscopic examination of early cancer lesions suspicious device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030120156A1 (en) * 2001-12-26 2003-06-26 Forrester Kevin R. Motion measuring device

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HUGUES FONTENELLE: "Laser speckle imaging: Spatio-Temporal Image enhancement; Ph.D.Thesis", December 2009 (2009-12-01), XP002776207, Retrieved from the Internet <URL:http://nemertes.lis.upatras.gr/jspui/bitstream/10889/3378/1/Fontenelle_Hugues.PhD_Thesis.FINAL.pdf> *
See also references of WO2015176294A1 *
SON TAEYOON, LEE JONGHWAN, JUNG BYUNGJO: "Contrast Enhancement of Laser Speckle Contrast Image in Deep Vasculature by Reduction of Tissue Scattering", JOURNAL OF THE OPTICAL SOCIETY OF KOREA, vol. 17, no. 1, 25 February 2013 (2013-02-25), pages 86 - 90, XP002776206, ISSN: 1226-4776, DOI: 10.3807/JOSK.2013.17.1.086 *
SONG LIPEI ET AL: "Endoscopic laser speckle contrast imaging system using a fibre image guide", BIOMEDICAL APPLICATIONS OF LIGHT SCATTERING V, SPIE, 1000 20TH ST. BELLINGHAM WA 98225-6705 USA, vol. 7907, no. 1, 10 February 2011 (2011-02-10), pages 1 - 9, XP060005985, DOI: 10.1117/12.875282 *

Also Published As

Publication number Publication date
CN106413536A (en) 2017-02-15
WO2015176294A1 (en) 2015-11-26
EP3145397A1 (en) 2017-03-29
US20170181636A1 (en) 2017-06-29

Similar Documents

Publication Publication Date Title
EP3137141A4 (en) Vaporizer
EP3204881A4 (en) Medical premonitory event estimation
EP3092286A4 (en) Ethylene-to-liquids systems and methods
EP3095034A4 (en) Cybersecurity system
EP3095001A4 (en) Systems and methods for three-dimensional imaging
EP3131615A4 (en) Sensors for catheter pumps
EP3139723A4 (en) Systems, methods, and apparatus for agricultural liquid application
EP2991729B8 (en) Systems for the treatment of eye conditions
EP3164185A4 (en) Custom patient interface and methods for making same
EP3227150A4 (en) Evacuator system having multi-port evacuator
EP2967349A4 (en) Surgical imaging systems
EP3175420A4 (en) Patient management system
EP3104766A4 (en) Fundus imaging system
EP3227741A4 (en) Multiplexed fourier ptychography imaging systems and methods
EP3214914A4 (en) Agricultural system
GB2535388B (en) System of living
EP3104881A4 (en) Selective reduction of proteins
EP3050488A4 (en) Endoscope
EP3171906A4 (en) Breast pump system and methods
EP3097843A4 (en) Endoscope
EP3091954A4 (en) Wheelchair
EP3210638A4 (en) Infusion flow adjuster
EP3020430A4 (en) Cannula for catgut-embedding therapy
EP3137128A4 (en) Dialysis system and methods
EP3128932A4 (en) Cannula for connecting medical devices to biological systems

Legal Events

Date Code Title Description
AX Request for extension of the european patent to:

Extension state: BA ME

17P Request for examination filed

Effective date: 20161212

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIN1 Information on inventor provided before grant (corrected)

Inventor name: LUO, ZHONGCHI

Inventor name: WU, XINMIN

DAX Request for extension of the european patent (to any country) (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: A61B 5/026 20060101AFI20171205BHEP

A4 Supplementary search report drawn up and despatched

Effective date: 20171215